고성능 클링커 시멘트의 CO2 배출량과 이를 기반으로 제조한 콘크리트의 특성
CO2 Emissions from High Performance Clinker Cement (HPCC) and the Properties of Concrete Produced with HPCC
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초록
이 연구는 고성능 클링커 시멘트(High Performance Clinker Cement, HPCC)를 활용하여 포틀랜드 시멘트의 이산화탄소 배출량을줄이고자 하는 목적을 갖고 수행되었다. 이를 위하여 HPCC를 제조할 때에 배출되는 이산화탄소의 양을 계산하고, 혼합재의 비율에 따른 이산화탄소 배출량 변화를 비교 분석하였다. 또한 보통 포틀랜드 시멘트 (OPC) 기반 콘크리트와 동일한 배합의 콘크리트를 제작하여 그 물성을 비교하는 실험을 수행하였다. 연구 결과로서 HPCC의 이산화탄소 배출량이 기존의 혼합시멘트와 동등한 수준이 되기 위하여 비탄산염 재료가중량비로 약 13 % 포함되어야 하는 것으로 나타났다. 또한 HPCC 기반 콘크리트의 강도 발현 성능은 OPC 기반 콘크리트와 유사한 수준인 것으로 나타났다.
Abstract
This study was conducted with the purpose of reducing the carbon dioxide emissions of portland cement by utilizing high performance clinker cement (HPCC). The amount of carbon dioxide emitted when manufacturing HPCC was calculated, and the change in carbon dioxide emissions according to the change in the mixing ratio of cement was analyzed. In addition, HPCC-based concrete with the same mix proportions as Ordinary Portland Cement (OPC)-based concrete was manufactured and their properties were compared. As a result of the study, it was found that non-carbonate materials should be included at a weight ratio of approximately 13% in order for the carbon dioxide emissions of HPCC to be equivalent to those of conventional blended cement. The strength development performance of HPCC-based concrete was found to be similar to that of OPC-based concrete.
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